This is an RC-scale L-angle bracket sold under the Hirobo HI0403239 designation, intended as a replacement or maintenance component within the GPH 346 parts family for RC helicopters. The naming indicates an L-angle geometry that helps locate and secure adjoining assemblies without implying any specific material or fastener type.
The part's role is primarily mechanical support and alignment: it provides a fixed right-angle mount point used where two structural elements meet. In practice this helps retain correct geometry and reduces play in rotating or pitched linkages when fitted as part of a tail or frame subassembly.
Installation notes for experienced hobbyists: fit the bracket into the intended mounting faces, verify alignment before final fastening, and use the original screw positions and thread engagement to avoid stripping. If replacing a worn piece, compare the bracket outline and hole spacing with the removed part to confirm fit prior to tightening.
Tuning and setup guidance: use the bracket to maintain consistent geometry during setup checks, recheck any linked control surfaces or linkages after installation, and verify free travel and neutral positions before flight testing. Any final trim should be done on the linkages or control horns rather than by deforming the bracket.
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